(19)
(11) EP 2 480 718 A2

(12)

(88) Date of publication A3:
12.05.2011

(43) Date of publication:
01.08.2012 Bulletin 2012/31

(21) Application number: 10754527.9

(22) Date of filing: 21.09.2010
(51) International Patent Classification (IPC): 
D21H 17/67(2006.01)
D21H 19/38(2006.01)
D21H 21/52(2006.01)
C09C 1/02(2006.01)
 D21H 17/68(2006.01)
D21H 19/40(2006.01)
C01F 11/18(2006.01)
(86) International application number:
PCT/EP2010/063866
(87) International publication number:
WO 2011/033119 (24.03.2011 Gazette 2011/12)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated Extension States:
BA ME RS

(30) Priority: 21.09.2009 EP 09170864
11.03.2010 US 340061 P

(71) Applicant: Omya Development AG
4665 Oftringen (CH)

(72) Inventors:
  • BLUVOL, Guillermo
    CH-5014 Gretzenbach (CH)
  • KÄSSBERGER, Michael
    CH-6204 Sempach (CH)
  • GANE, Patrick A.C.
    CH-4852 Rothrist (CH)

(74) Representative: Tiefbrunner, Vera 
Maiwald Patentanwalts GmbH Elisenhof Elisenstrasse 3
80335 München
80335 München (DE)

   


(54) AQUEOUS SLURRIES COMPRISING FINE CALCIUM CARBONATE PARTICLES FOR USE IN PAPER COATINGS